692 
Proceedings of the Royal Society 
Table I. — Lead. 
Time in Seconds. 
Deflection. 
0 
22*4 
30 
22-0 
60 
22-0 
90 
20-0 
120 
13-3 
150 
10-2 
180 
LOT 
210 
9-8 
240 
97 
270 
9*8 
Table II. — Tin. 
Time in Seconds. 
Temperature. 
Deflection. 
0 
260° C. 
5-3 
30 
245° 
5T 
60 
226° 
4*9 
90 
215° 
4*6 
120 
214° 
4-6 
150 
212° 
4-0 
180 
211° 
4-0 
210 
194° 
2*7 
240 
184° 
2-6 
Table III. — Fusible Metal. 
Time in Seconds. 
Deflection. 
0 
33-5 
30 
33-0 
60 
32-0 
90 
30*5 
120 
28 -7 
150 
28-5 
180 
27-5 
210 
25-0 
240 
23-5 
270 
21-5 
300 
20-0 
330 
19 '8 
360 
19*4 
390 
18-8 
420 
17-5 
450 
17-5 
480 
17-5 
